a2query:tldr:a8d4a
a2query: Display the Apache version.
$ sudo a2query -v
try on your machine
The command "sudo a2query -v" is used to display the version of the Apache web server installed on a Linux system. Here's a breakdown of the command:
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"sudo" is a command that allows users to run programs or commands with administrative privileges.
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"a2query" is a utility command specifically used with Apache web server. It provides information about the Apache server configuration.
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"-v" is a flag or option that stands for "version." When used with the "a2query" command, it instructs the command to display the version of the Apache server.
So, when you execute "sudo a2query -v" in the terminal, you will see the version of the Apache server installed on your system.
This explanation was created by an AI. In most cases those are correct. But please always be careful and
never run a command you are not sure if it is safe.